How severe is CVE-2026-65879?

CVE-2026-65879 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-65879 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-65879?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2026-65879 published?

CVE-2026-65879 was published on 2026-07-27 and last updated on 2026-07-28.

CVE-2026-65879

CVE-2026-65879 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Published: 2026-07-27
Last modified: 2026-07-28

Description

Joomla Extension - joomshaper.com - Unauthenticated mail relay via a hardcoded, product-wide secret in SP Page Builder < 6.7.1 - A hardcoded secret allowed attackers to forge the mail from address of forms.

Frequently asked questions

What is CVE-2026-65879?: Joomla Extension - joomshaper.com - Unauthenticated mail relay via a hardcoded, product-wide secret in SP Page Builder < 6.7.1 - A hardcoded secret allowed attackers to forge the mail from address of forms.
How severe is CVE-2026-65879?: CVE-2026-65879 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-65879 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-65879?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2026-65879 published?: CVE-2026-65879 was published on 2026-07-27 and last updated on 2026-07-28.

References

Other CWE-798 (Use of Hard-coded Credentials) vulnerabilities

CVE-2026-18452 — Critical (CVSS 10.0): DMS+ (Non-Mobile) developed by Rich Source has a Use of Hard-coded Credentials vulnerability. Unauthenticated remote…
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CVE-2026-13768 — Critical (CVSS 10.0): Gardyn devices expose a privileged iothubowner key. Access to this key will allow a malicious user to invoke an IoTHub…
CVE-2026-45631 — Critical (CVSS 10.0): Dokploy is a free, self-hostable Platform as a Service (PaaS). From 0.27.0 to before 0.29.3, a hardcoded…
CVE-2026-22769 — Critical (CVSS 10.0): Dell RecoverPoint for Virtual Machines, versions prior to 6.0.3.1 HF1, contain a hardcoded credential vulnerability.…
CVE-2025-42890 — Critical (CVSS 10.0): SQL Anywhere Monitor (Non-GUI) baked credentials into the code,exposing the resources or functionality to unintended…

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